Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    3.461466E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T20:33:22+0800
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    1 Object 1

    AOE ID 59539
    NORAD ID 59539
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 64542
    NORAD ID 64542
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-31539 USPWSA-DRAGOON
    Time of Closest Approach 2026-10-18T19:17:01+0000
    Collision Probability (Pc) 3.461466E-5
    Conjunction Distance (km) 0.902 km
    Relative Speed (km/s) 12.698 km/s
    Conjunction Risk Parameters R (Radial): 0.802 | I (In-track): -0.224 | C (Cross-track): -0.347
    Collision Risk Index (CRI) 0.66
    X Position (km) -2964.503 -2964.016
    Position Y (km) -4199.905 -4199.741
    Position Z (km) 4535.398 4534.657
    Velocity X (km/s) 6.719 -3.952
    Velocity Y (km/s) -3.384 -3.304
    Velocity Z (km/s) 1.256 -5.625

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31539 USPWSA-DRAGOON
    Semimajor Axis (a) 6861.170 km 6860.237 km
    Eccentricity (e) 0.000141 0.000418
    Inclination (i) 43.0007° 97.4813°
    RAAN 173.6221° 46.9216°
    Perigee Argument 272.1554° 103.6989°
    Mean Anomaly (M) 87.9136° 256.4716°
    Apogee 484.004 km 484.966 km
    Perigee 482.062 km 479.234 km
    Orbit Epoch 2026-10-17T00:34:57+0000 2026-10-17T14:23:24+0000

    STARLINK-31539 & USPWSA-DRAGOON Collision Probability (Pc) Trend

    STARLINK-31539 & USPWSA-DRAGOON Collision Probability (Pc) TrendNot Available

    STARLINK-31539 & USPWSA-DRAGOON Miss Distance (Miss Distance) Trend

    STARLINK-31539 & USPWSA-DRAGOON Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31539Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    USPWSA-DRAGOONMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31539Collision Probability Trend

    Object 1 Probability TrendNot Available

    USPWSA-DRAGOONCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31539

    No nearby objects data